How to Open Your 2002 Mercedes-Benz CLK320 Key Fob and Change Battery

How to Open Your 2002 Mercedes-Benz CLK320 Key Fob and Change Battery

Key fob allow access to your CLK320. If the remote key fob battery is weak you not to be able unlock car remotely. Yes, it is possible to replace the battery in your keyless entry remote, and itโ€™s easier than you think. Everything you need is explained below.

What size battery does 2002 Mercedes-Benz CLK320 remote key fob required

Before beginning disassembly keyless entry remote check all that you need: CR2025 batteries and flat head screwdriver.
  • flat head screwdriver
  • 2xCR2025 batteries

Step by step instruction

A tiny button battery installed inside the your remote key fob. Move the key out of the way if it is in the key fob.

Delicately try to pry apart your remote key fob with hands or flat head screwdriver. Replace CR2025 batteries with flat head screwdriver.

Now it's time to install new batteries inside keyless entry fob's case. Be sure to connect the battery the right way around in a circuit. Your key will not work if you connect battery wrong way.

Before assembling fobโ€™s case, make sure that all functions works by pressing buttons on remote key fob.

At this point squeeze keyless entry fob's back cover together. Line your shell two halves together and put it together by hands from top to bottom. Check your remote key fob body for gaps. If it is not firmly closed try to repeat last step.

Key Fob Battery Replacement 2002 Mercedes-Benz CLK320 Video

Mercedes Benz Key Fob Case Change and Battery Replacement Remote

Still not working? Buy new one

Frequently Asked Questions

Keyless entry remote of Mercedes-Benz CLK320 use 2xCR2025 batteries. Most CR2025 batteries are under $6 build upon the type, brand and size packaging you buy. Take your old battery to the store, with you to find a proper replacement.

Key fob in most of cases do not require to be reprogrammed after battery replace. If your key fob not working, recheck new battery voltage. If it is not help, read user's manual or contact local dealer.

Replacing your keyless entry remote battery is easy to do in 2002 Mercedes-Benz CLK320. Most of car manufacturers think about customers and make a special hole for key fob open.

Car service price for replace the battery in fob is $50-600 depending on the car.

Keyless entry remote batteries in Mercedes-Benz CLK320 should be replaced every 3-4 years, also this will differ based on frequency of use and battery quality. If your remote key fob decreased signal strength, you should replace batteries before it stop working and make trouble for you.

If your Mercedes-Benz need multiple clicks to unlock or lock doors, fob's battery more than 4 years old, has low key battery indicator on dashboard or signal strength reduced, in most cases battery replace inside key fob required. Currently installed battery is weak or dead with a high probability, but if it's not fix problem, key replace or repair needed.
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Other Mercedes-Benz Models:

Fob Compatibility:

  1. FCC ID: IYZ VECTOR
  2. Models: 1998-2005 Mercedes-Benz CLK320